Commercial Door Hardware Installation & Service
From storefronts to schools, we install, repair, and replace professional-grade door hardware across New Hampshire & Southern Maine.
Hardware That Keeps Your Building Secure and Accessible
Door hardware is one of the most overlooked but critical components of building security and daily operations. Whether you need durable locks for high-traffic entrances, ADA-compliant handles, or panic bars for emergency exits, A&B Lock and Security delivers expert installation and service for all types of commercial hardware.
We work with property managers, business owners, contractors, and facility directors to meet function, code, and budget—while maintaining security.
“They replaced our broken closer and made sure everything was aligned and working smoothly. Great service and fast turnaround.” — Lisa Sauceda
Hardware We Install & Service
- Lever sets and cylindrical locks
- Mortise locks and deadlocks
- Door closers (surface mount, overhead, concealed)
- Panic bars and exit devices
- ADA-compliant handles and push/pulls
- Electric strikes and latch guards
- Continuous hinges and pivots
Solutions for Every Door Type
We service: - Aluminum storefront doors - Hollow metal fire-rated doors - Wood commercial-grade doors - Interior doors and partitions - Double-door entry and exit systems
Why Choose A&B Lock for Your Hardware Needs?
- Commercial-Grade Hardware That Lasts
We install brands known for reliability in high-traffic environments.
- Built to Code, Built to Last
We make sure your door hardware meets all relevant life safety and accessibility codes..
- Service That Fits Your Workflow
Minimal disruption, coordinated scheduling, and respectful technicians.
- On-Hand Stock & Fast Special Orders
We carry popular hardware and can source specialty items quickly.
“Fast response and solid work. Our main entry door was secure again within hours of calling A&B.” — Peter Mumford
Schedule a Site Visit or Quote
Call (603) 527-0192 to speak with our commercial team or request a quote online. We proudly serve businesses throughout New Hampshire and Southern Maine.
